修复登录显示Bug。

C3204

2026-01-05 6c9631852757c8615825142bb4ff2658e645eb86

 LB_SmartVision/Program.cs

@@ -24,21 +24,26 @@
                    System.Threading.Mutex mutex = new System.Threading.Mutex(true, System.Windows.Forms.Application.ProductName, out ret);
                    if (ret)
                    {
                        ////登录验证权限
                        MainWindow.InstanceLoginandConfirmation().ShowDialog();
                        if (!MainWindow.InstanceLoginandConfirmation().isQuit && MainWindow.InstanceLoginandConfirmation().correctUser)
                        {
                            MainWindow.InstanceLoginandConfirmation().closeLoginFrm();
                            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
                            System.Windows.Forms.Application.EnableVisualStyles();
                            System.Windows.Forms.Application.SetCompatibleTextRenderingDefault(false);
                            System.Windows.Forms.Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
                            System.Windows.Forms.Application.ThreadException += (sender, e) => HandleException(e.Exception);
                            AppDomain.CurrentDomain.UnhandledException += (sender, e) => HandleException(e.ExceptionObject as Exception);
                            // To customize application configuration such as set high DPI settings or default font,
                            // see https://aka.ms/applicationconfiguration.
                            System.Windows.Forms.Application.Run(new VisionForm());
                        }
                        //   Main   为你程序的主窗体，如果是控制台程序不用这句   
                        else
                        {
                            MainWindow.InstanceLoginandConfirmation().closeLoginFrm();
                        }
                        ////   Main   为你程序的主窗体，如果是控制台程序不用这句   
                        Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
                        System.Windows.Forms.Application.EnableVisualStyles();
                        System.Windows.Forms.Application.SetCompatibleTextRenderingDefault(false);
                        System.Windows.Forms.Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
                        System.Windows.Forms.Application.ThreadException += (sender, e) => HandleException(e.Exception);
                        AppDomain.CurrentDomain.UnhandledException += (sender, e) => HandleException(e.ExceptionObject as Exception);
                        //// To customize application configuration such as set high DPI settings or default font,
                        //// see https://aka.ms/applicationconfiguration.
                        System.Windows.Forms.Application.Run(new VisionForm());
                        mutex.ReleaseMutex();
                    }
                    else